/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.plugin.jdbc;

import java.sql.PreparedStatement;
import java.sql.SQLException;

public interface WriteFunction
{
    Class<?> getJavaType();

    default String getBindExpression()
    {
        return "?";
    }

    default void setNull(PreparedStatement statement, int index)
            throws SQLException
    {
        // This method of setting null for parameter could be suboptimal for some databases.
        // In Oracle, lack of type on NULL value will invalidate prepared statement cache
        // on every INSERT statement, which drastically degrades write performance.
        statement.setObject(index, null);
    }
}
